He answered this in another thread: New Post: Librem 14 Update: Freed EC, Shipping Beginning in March
“When we accomplish that [neutralising ME] existing owners would just reflash their boot firmware (coreboot or PureBoot), which contains the ME code as part of it. In terms of the risk analysis, I talk about that a bit in a different thread .”
I think there is a risk of “bricking” your computer while doing so. This is why, personally, as a Unknowledgeable linux user, I’m juggling with the idea of waiting a bit before ordering it, giving time to purism to find a way to neutralize it themselve.
According to the need and interest in having it disabled and neutralized, I’m guessing it should be high priority in their “to do” list.